NPPES file of Aug 9, 2026

Kate Nemecek, PA-C

Physician Assistant · Brea, CA

Kate Nemecek, PA-C is a physician assistant with a practice address in Brea, California, and NPI 1326596602, issued on Sep 15, 2016. Check the license (California 57391, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326596602
Name
Kate Nemecek
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
57391 CA
6458 AZ
Self-reported in NPPES; status is on the state search
Practice location
955 W Imperial Hwy Ste 110, Brea, CA 92821
Phone
(714) 449-6900
Enumerated
Sep 15, 2016
Record last updated
Nov 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210107002406); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 955 W Imperial Hwy Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mariam Ali, DOFamily Medicine Physician1689243321
  2. Fouzia Asif, MDFamily Medicine Physician1518194612
  3. Susan Cocke, MDAllergy Physician1861540775
  4. Alexandra Duke, D.OFamily Medicine Physician1760479992
  5. Anne Ford, MDFamily Medicine Physician1518967140
  6. Patricia Gandasetiawan, PA-CPhysician Assistant1609361252

Verify Kate Nemecek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 57391
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

56% fewer Medicare Part D claims than the average physician assistant in 2024

369 Medicare Part D claims for 129 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.

  1. Kate Nemecek369
  2. Specialty average830

Most prescribed

  1. Azelastine Hcl56 claims
  2. Fluticasone Propionate53 claims
  3. Epinephrine30 claims
  4. Ipratropium Bromide21 claims
  5. Prednisone21 claims
  6. Levocetirizine Dihydrochloride20 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,210.59

69 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kate Nemecek$1,210.59
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Providence Medical FoundationFullerton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kate Nemecek among 14,451 physician assistant records in California

Kate Nemecek, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 44% of them.

  • NPI issued2016 · 44% of these records are older, 53% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2016 · median 2018 among the 7,214 with a school on file
  • Record last updated2021 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 physician assistant records list a practice address in Brea

They are 13 of the 1,052 NPPES records with a practice address in Brea, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Samantha CaoBrea, CA 928211497468953
  2. Patricia Gandasetiawan, PA-CBrea, CA 928211609361252
  3. Cynthia Nguyen, PA-CBrea, CA 928211922775121
  4. Andrew Perry, PA-CBrea, CA 928211184265092
  5. Trang Phan, PA-CBrea, CA 928211891094611
  6. Kelby ReyesBrea, CA 928211104231489
  7. Robynn Robin-McConnell, PA-CBrea, CA 928211114333614
  8. Nicole Sandoval, PABrea, CA 928211689198723

Common questions

What is Kate Nemecek, PA-C's NPI number?

Kate Nemecek, PA-C's National Provider Identifier (NPI) is 1326596602, issued on Sep 15, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Kate Nemecek, PA-C located?

The NPPES record lists a practice address at 955 W Imperial Hwy Ste 110, Brea, CA, 92821. Phone: (714) 449-6900. Providers update this record themselves, so call before visiting.

How can I verify Kate Nemecek, PA-C's license?

NPPES lists California license number 57391, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kate Nemecek, PA-C prescribe under Medicare Part D?

In 2024, Kate Nemecek, PA-C had 369 Medicare Part D claims for 129 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.